40g Qsfp+ Lr4 20km 1270nm - 1310nm CWDM Single Mode Duplex LC Ddm Optical Transceiver Module

40G QSFP+ LR4 20km CWMD 1270nm-1310nm LC ConnectorFiber Optical Module  Form TypeQSFP+Max Data Rate41.25GbpsWavelength1270nm-1310nmMax Cable Distance*20KMConnectorLCTransmitter TypeDFBCDRSupportedDDM/DOMSupportedTX Power-7~2.3dBmReceiver Sensitivity